End cap for curtain rod



FIG. 1 is a perspective view of an end cap for curtain rod showing my new design;

FIG. 2 is a side view thereof; and,

FIG. 3 is an end view thereof.

The broken line showing of a partial pole is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an end cap for curtain rod, as shown and described. 